"Organic electroluminescent diodes". Applied Physics Letters 51: 913. doi:10.1063/1.98799. 20 21. ^ Piromreun‚ Pongpun; Oh‚ Hwansool; Shen‚ Yulong; Malliaras‚ George G.; Scott‚ J. Campbell; Brock‚ Phil J. (2000). "Role of CsF on electron injection into a conjugated polymer". Applied Physics Letters 77: 2403. doi:10.1063/1.1317547. 22 23. ^ Carter‚ S. A.; Angelopoulos‚ M.; Karg‚ S.; Brock‚ P. J.; Scott‚ J. C. (1997). "Polymeric anodes for improved polymer light-emitting diode performance". Applied
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Absorption loss 31 9.2 Light Scattering 32 9.3 Bending loss 33 10.0 Fiber 34 10.1 Multi Mode 34 10.2 Single Index 35 11.0 Optical Resources 36 11.1 LED 36 11.2 LASER 38 12.0 Optical Detectors 41 12.1 Photo Detectors 41 12.2 Photo Diodes 42 13.0 Limitations of Optical Fiber Technology 45 14.0 Application 45 CONCLUSION REFERENCES Acknowledgements First and foremost I offer my sincerest gratitude to my teachers who has supported me throughout my report‚ with his patience and
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Faculty of Engineering Department of Electrical Engineering Undergraduate project Dual Band Mobile Jammer for GSM 900 & GSM 1800 Done by: Ahmed Sudqi Hussein Abdul-Rahman Ahmad Nasr Raja Mohammad Supervised by: Prof. Nihad Dib 1 Table of contents Abstract ………….…...............................................................................................3 1. Introduction ………….................................................................…........................4 2. Jamming Techniques
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0Hardware in a line follower: Two motors Two T-sop sensors. A micro-controller A Motodriver - L293D L293D CHIP This diagram shows u connec Tcrt5000l reflective optical sensor * Robotics - Object Detection or Line Tracking * Position sensor for shaft encoder * Detection of reflective material such as paper‚ IBM cards‚ magnetic tapes etc. * Limit switch for mechanical motions in VCR * General purpose - wherever the space is limited Ansmann Racing Clash 18T
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paper presents an innovative prototype design of electric fan with smart characteristics. This electric fan uses a microcontroller to produce an automation function. It also has a unique double feature designs‚ such as using 2 fans‚ 2 Light Emitting Diodes (LED) and 2 sensors. This is to ensure the cooling process operates more efficiently and effectively‚ especially for a large space application and in hot weather due to global warming. By applying the circuit‚ it offers a better life for human. It
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LM317‚ NCV317 1.5 A Adjustable Output‚ Positive Voltage Regulator The LM317 is an adjustable 3−terminal positive voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. Further‚ it employs internal current limiting‚ thermal shutdown and safe area compensation‚ making it essentially blow−out proof. The LM317 serves a wide variety
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electrical resistance as the ratio of voltage to current. The equation we use to find the resistance from the current and voltage is: Resistance Resistance is a property of a DEVICE or a COMPONENT. like a lamp‚ a resistor‚ a thermistor‚ a diode and so on. Its value depends on four things. 1. What it’s made of. Metals are good conductors so have lower resistance than an insulator of the same dimensions. 2. Length – the longer‚ the greater resistance. 3. Area of cross section – the larger
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1. What is the competitive environment of ETO? ETO‚ Electronic Testing Operations‚ provides centralized testing for electronic components such as integrated circuits. Because low-technology outside laboratories were often cheaper‚ expecially on larger lots‚ due to no engineering part‚ ETO has to shift from simple inspection services to more technically sophisticated services. 2. Describe the existing cost system and calculate the cost of the 5 components in the case. What is wrong with the
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The case st udy of A ut omot i ve Ai r bag Reli abil it y (Page 252) (for comprehensive hints to solve the case study‚ refer to Page 217-220) Q# 1: What is the role of the dual actuators in the mechanical air bag system? Describe the effect of having only one. * The role of dual actuators is to activate the mechanism of the airbag. * These dual actuators are the two shafts that move off the edge of spring-loaded firing pins where the pins then stab dual primers‚ igniting the enhancer
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Diodes Diodes are components that allow current to flow in only one direction. They have a positive side (leg) and a negative side. When the voltage on the positive leg is higher than on the negative leg then current flows through the diode (the resistance is very low). When the voltage is lower on the positive leg than on the negative leg then the current does not flow (the resistance is very high). The negative leg of a diode is the one with the line closest to it. It is called the cathode. The
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